Q. What is the percentage of gold present in 12-karat gold?

A
50%
B
0%
C
25%
D
75%
Solution:

24k gold is also called pure gold or 100 per cent gold. (while 100% purity is unattainable, this designation is permitted in commerce for 99.95% purity)
12 karat = 50.0 % gold

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